 is a Princeton, New Jersey-based psychiatrist, writer, speaker, educator, and consultant. He is the founder and board president of Doctors for Cannabis Regulation. Dr. Nathan is a Distinguished Fellow of the American Psychiatric Association and Clinical Associate Professor of Psychiatry at Rutgers Robert Wood Johnson Medical School. He serves on the editorial board of 

David L. Nathan

Articles

Working with Doctors for Cannabis Regulation and other stakeholders, David L. Nathan, MD, proposed the Universal Cannabis Product Symbol (UCPS) in 2019. After its publication in 2020, a broad discussion with various stakeholders led to a series of changes to the UCPS. Working with the standards organization ASTM, the authors of this paper co-designed a modified version of the UCPS, which was renamed the International Intoxicating Cannabis Product Symbol (IICPS). This article presents the IICPS and next steps for the industry to start implementing its use.

Why All Legalized U.S. Jurisdictions Should (and Probably Will) Adopt the International Intoxicating Cannabis Product Symbol (IICPS)

This article proposes cannabis labeling standards to serve as a foundation for the regulation of cannabis product packaging for both medical and adult-use products.